For earthworms, get a small well-isolated pail, fill with moist soil
and half a dozen worms and a hydrophone buried in the soil. Voila
(assuming that they're active and you've got a quiet enough pre-amp
and lo-noise h-phone)!
Bernie
On Nov 2, 2007, at 2:43 PM, Steve Pelikan wrote:
> Hi all ---
>
> I faintly remember reading an article a while back by an entomologist
> who recorded the sounds of thrips, mites, and leafhoppers by attaching
> a phonograph cartridge to a twig on which the bugs were living so that
> the needle touched the bark and then hooking the thing up to a
> recorder.
>
> Perhaps I also read about this sort of thing here, though the obvious
> searches didn't turn anything up.
>
> Does anyone know of any references to the technique? Or, better, can
> you tell me what circuit to build to connect a phono cartridge to a
> recorder? I'd be happy enough to try it without looking at the
> literature.
>
> More generally, I'd be interested in hearing about any small
> transducers or microphones that I could use to record (say) individual
> bugs walking around. Or worms eating their way through soil, which is
> my current goal. I've got a worm bin (where we process all our kitchen
> scraps) to practice on all winter.
>
> NO! It isn't the case that I want to be ready to sell effects (FX?) to
> the next movie based on Dune!
>
> Sorry for always asking such goofy questions here, and thanks very
> much for any info you can provide!
>
> Steve P
>
>
>
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